Samson 3254 Mounting And Operating Instructions Download | Manualshive

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will result in death or serious injury

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EB 8060 EN

Note on these mounting and operating instructions

These mounting and operating instructions assist you in mounting and operating the device
safely. The instructions are binding for handling SAMSON devices. The images shown in
these instructions are for illustration purposes only. The actual product may vary.

Î

For the safe and proper use of these instructions, read them carefully and keep them for
later reference.

Î

If you have any questions about these instructions, contact SAMSON‘s After-sales Service

(

[email protected]

).

Documents relating to the device, such as the mounting and operating
instructions, are available on our website at

www.samsongroup.com >

Service & Support > Downloads > Documentation

.

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Summary of Contents for 3254

Page 1: ...ion of original instructions EB 8060 EN Edition January 2021 Type 3254 Valve DIN version In combination with an actuator e g a Type 3271 or Type 3277 Pneumatic Actuator Type 3254 Valve with Type 3271...

Page 2: ...st you in mounting and operating the device safely The instructions are binding for handling SAMSON devices The images shown in these instructions are for illustration purposes only The actual product...

Page 3: ...3 Additional fittings 3 3 3 4 Valve accessories 3 4 3 5 Technical data 3 4 4 Shipment and on site transport 4 1 4 1 Accepting the delivered goods 4 1 4 2 Removing the packaging from the valve 4 1 4 3...

Page 4: ...eplacing the top gasket 9 7 9 4 2 Replacing the bottom gasket 9 8 9 4 3 Replacing the packing 9 9 9 4 4 Replacing the seat and plug 9 14 9 5 Ordering spare parts and operating supplies 9 16 10 Decommi...

Page 5: ...eplate for limits and fields of application as well as possible uses Reasonably foreseeable misuse The control valve is not suitable for the following applications Use outside the limits defined durin...

Page 6: ...fail safe position of the control valve upon air supply or control signal failure depends on the actuator used see associated actuator documentation When the valve is combined with a SAMSON Type 3271...

Page 7: ...ponsibilities of operating personnel Operating personnel must read and understand these mounting and operating instructions as well as the referenced documents and observe the specified hazard stateme...

Page 8: ...e of very high concern on the candidate list of the REACH regulation Information on safe use of the part affected u www samsongroup com About SAMSON Material Compliance REACH If a device contains a su...

Page 9: ...Install the control valve in such a way that vent openings are not located at eye level and the actuator does not vent at eye level in the work position Use suitable silencers and vent plugs Wear eye...

Page 10: ...ut of the valve and depending on its properties cause personal injury e g chemical burns If possible drain the process medium from all the plant sections affected and the valve Wear protective clothin...

Page 11: ...components Excessive tightening torques lead to parts wearing out more quickly Parts that are too loose may cause leakage Observe the specified tightening torques u AB 0100 Risk of valve damage due t...

Page 12: ...he yoke while the air supply is con nected to the actuator 1 4 Notes on the use of an RFID tag The RFID tag is subject to certain restrictions due to its application range technical specifica tions Ob...

Page 13: ...al ME metal HA carbide metal ST metal base material with Stellite facing KE ceramic PT PTFE soft seal PK PEEK soft seal 13 Seat code trim material on request 14 Pressure balancing DIN D ANSI JIS B Ver...

Page 14: ...aterial This seat code is specified on the nameplate 2 4 Label when an adjustable packing is installed An instructional label is affixed to the valve when an adjustable packing is installed see Fig 2...

Page 15: ...the seat changes and determines the flow rate through the valve We recommend the use of positioners with integrated diagnostic firmware see sec tion 3 4 for valves used for on off service The partial...

Page 16: ...aded bushing packing nut 9 Stem connector nut 10 Lock nut 14 Nut 15 Packing 17 Body gasket 84 Travel indicator scale 92 Castellated nut 100 Flange A4 Diaphragm A7 Actuator stem A8 Ring nut A10 Spring...

Page 17: ...damaging the valve Bypass and shut off valves We recommend installing a shut off valve both upstream of the strainer and down stream of the valve and installing a bypass line The bypass ensures that...

Page 18: ...Conformity The Type 3254 Valve bears both the CE and EAC marks of conformity Temperature range Depending on the version the control valve is designed for a temperature range from 10 to 220 C The use o...

Page 19: ...520 700 PN 400 570 1 666 1 908 1 Height H4 PN 10 to 40 222 242 314 387 442 655 640 760 PN 63 to 160 519 640 3 On re quest 4 PN 250 to 400 288 348 443 H8 for ac tuator 350 cm 240 240 355 cm 240 240 418...

Page 20: ...st 2 PN 250 to 400 546 598 790 Bellows seal Height H4 PN 10 to 40 travel 15 to 120 613 613 709 1024 1479 1514 1516 1590 PN 63 to 100 travel 120 2381 2307 On re quest 1 PN 63 to 160 travel 15 to 60 613...

Page 21: ...160 128 175 411 On re quest 1405 PN 250 to 400 On request With bellows seal PN 10 to 40 85 128 300 570 1100 On request PN 63 to 160 136 183 430 860 1460 On re quest On re quest 1 PN 250 to 320 On req...

Page 22: ...3 8 EB 8060 EN...

Page 23: ...a section 4 2 Removing the packaging from the valve Observe the following sequence Do not open or remove the packaging until immediately before lifting to install the valve into the pipeline Leave the...

Page 24: ...ngs to the actuator handwheel or any other parts Observe lifting instructions see sec tion 4 3 2 A swivel hoist can be screwed into SAMSON actuators with a female thread on the top diaphragm case in p...

Page 25: ...forklift to lift it Lifting instructions Use a hook with safety latch see Fig 4 1 to secure the slings from slip ping off the hook during lifting and transporting Secure slings against slipping Make...

Page 26: ...ear the weight 4 Move the control valve at an even pace to the site of installation 5 Install the valve into the pipeline see the Installation section 6 After installation in the pipeline check whethe...

Page 27: ...ntrol valve against moisture and dirt Store it at a relative humidity of less than 75 In damp spaces prevent condensation If necessary use a drying agent or heating Make sure that the ambient air is f...

Page 28: ...4 6 EB 8060 EN...

Page 29: ...s as possible Read information under Mounting posi tion and Support or suspension in this section Install the valve allowing sufficient space to remove the actuator and valve or to perform service wor...

Page 30: ...n cluding piping are not damaged The valve data on the nameplate type designation valve size material pres sure rating and temperature range match the plant conditions size and Table 5 1 Inlet and out...

Page 31: ...ry material and tools to have them ready during installation work Flush the pipelines The plant operator is responsible for clean ing the pipelines in the plant For steam applications dry the pipeline...

Page 32: ...85 ac cording to Table 5 4 6 Use a soft faced hammer or lever press to press the sliding washers 309 with their beveled part first without using any lubricant into the recesses of the clamps 301 as f...

Page 33: ...255 Warning label 310 Ball bearing Plug stem Fig 5 1 Overview of yoke assembly with travel indicator scale in the standard version on each side see detailed view Y in Fig 5 2 The anti rotation fixture...

Page 34: ...1 301 309 309 9 303 304 114 Y 1 0 0 5 Y 1 0 0 5 Legend 9 Stem 114 Lubricant Gleitmo 1763 V 301 Clamps 303 Screws 304 Washers 309 Sliding washers Plug stem Fig 5 2 Overview of anti rotation fixture ass...

Page 35: ...e to incorrectly applied lubricant Do not apply any lubricant to the threads of the clamps 301 or the plug stem 6 Position the clamps 301 and stem 9 on the plug stem according to Table 5 4 and tighten...

Page 36: ...82 Screws 83 Hanger 84 Travel indicator scale 92 Castellated nut 255 Warning label 302 Holder 306 Screws 308 Washers 83 82 84 92 3 306 308 302 255 Plug stem Fig 5 3 Overview of yoke assembly with trav...

Page 37: ...01 301 309 309 304 303 9 114 Y Y 1 0 0 5 1 0 0 5 Legend 9 Stem 114 Lubricant Gleitmo 1763 V 301 Clamps 303 Screws 304 Washers 309 Sliding washers Plug stem Fig 5 4 Overview of anti rotation fixture as...

Page 38: ...7 5 103 5 82 5 34 5 30 1000 1400 60 15 100 60 136 105 30 75 45 121 120 1400 120 30 75 90 231 195 2800 30 100 120 231 195 DN 150 Standard version 355 700 750 15 0 0 263 5 67 5 192 87 48 105 70 145 15...

Page 39: ...76 30 75 90 221 195 61 100 60 0 0 308 255 61 185 60 50 60 191 225 48 76 2800 5600 30 0 0 191 225 48 76 30 100 120 221 195 61 100 60 0 0 308 255 61 185 60 75 90 191 225 48 76 DN 250 seat bore 250 and D...

Page 40: ...5 12 EB 8060 EN Installation H G H F H N H O H L H T H K H I Ball bearings standard version only Fig 5 5 Dimensional drawing with mounting dimensions for Types 3271 and 3277 Pneumatic Actuators...

Page 41: ...ng bolts protruding from the bottom of the actu ator Before starting any work on the actuator relieve the compression from the pre loaded springs see associated actuator documentation Depending on the...

Page 42: ...ore mounting the actuator check the hole pattern of the perforated plug and determine which hole is the closest to the seal facing and is uncovered first when the plug is lifted out of the seat On mou...

Page 43: ...ersion with flanges 1 Close the shut off valves in the pipeline at the inlet and outlet of the plant section while the valve is being installed 2 Prepare the relevant section of the pipe line for inst...

Page 44: ...iefly occur through the sudden venting of the pneumatic actuator or pneumatic valve ac cessories not fitted with noise reducing fit tings Both can damage hearing Wear hearing protection when working n...

Page 45: ...re and resulting high flow velocities can damage the valve 3 Open the valve 4 Apply the required test pressure 5 Check the valve for leakage to the atmo sphere 6 Depressurize the pipeline section and...

Page 46: ...line Check whether the valve moves to the fail safe position see the Design and principle of operation section 5 4 4 Pressure test The plant operator is responsible for per forming the pressure test...

Page 47: ...position or pneumatic valve accessories not fitted with noise reducing fittings Both can damage hearing Wear hearing protection when working near the valve Crush hazard arising from actuator and plug...

Page 48: ...he valve sizing requirements see information under In tended use in the Safety instructions and measures section Start up putting the valve back into opera tion 1 Allow the valve to cool down or warm...

Page 49: ...umatic valve accessories not fitted with noise reducing fittings Both can damage hearing Wear hearing protection when working near the valve Crush hazard arising from actuator and plug stem moving Do...

Page 50: ...e handwheel of valves with actuators fitted with a handwheel must be in the neutral po sition during normal operation 7 2 Manual operation Valves with actuators fitted with a handwheel can be manually...

Page 51: ...ion Diaphragm in the actuator defective See associated actuator documentation Signal pressure too low Check the signal pressure Check the signal pressure line for leakage Jolting movement of the actua...

Page 52: ...reasons Recommended action The valve leaks to the atmosphere fugitive emissions Defective packing Replace packing see the Servicing section or contact our after sales service Version with adjustable...

Page 53: ...well as the valve Risk of burn injuries due to hot or cold com ponents and pipeline Valve components and the pipeline may be come very hot or cold Risk of burn injuries Allow components and pipelines...

Page 54: ...ied by the long bolts protruding from the bottom of the actuator Before starting any work on the actuator relieve the compression from the pre loaded springs see associated actuator documentation Risk...

Page 55: ...n under Adjusting the packing in the Installation section Testing the installed valve or replace the packing see section 9 4 3 The control valve was checked by SAMSON before it left the factory Certai...

Page 56: ...e mounted properly Tighten the connections of the valve accessories Check to ensure that the actuator and plug stem move smoothly Version with adjustable packing 1 tighten the packing correctly see in...

Page 57: ...B 8060 EN 9 5 Servicing 9 10 8 92 3 2 5 4 15 14 17 1 100 7 17 14 7 21 13 93 14 Fig 9 1 Standard version of Type 3254 with Type 3271 Actuator left and Type 3254 in version with insulating section right...

Page 58: ...e work 2 Put the control valve out of operation see the Decommissioning section 3 Remove the actuator from the valve See associated actuator documentation To remove an actuator with stem extends fail...

Page 59: ...it back into operation see Testing the installed valve in the Installation section 9 4 1 Replacing the top gasket Risk of control valve damage due to incor rect servicing The gasket can only be replac...

Page 60: ...ting section 21 onto the insulating section making sure that the hole of the plug that releases the flow first faces to ward the valve outlet See relevant information under Mount ing the actuator onto...

Page 61: ...10 from the plug stem 5 Unscrew the threaded bushing 8 6 Pull the plug with plug stem 5 out of the bonnet 2 7 Pull the entire packing out of the packing chamber using a suitable tool 8 Renew damaged...

Page 62: ...er the plug stem into the packing chamber us ing a suitable tool Observe the proper sequence see Fig 9 3 3 Slide the seals 15 2 over the plug stem Insert the wire of the red spacer ring 15 1 into the...

Page 63: ...section 21 and plug with plug stem 5 off the body 1 4 Unscrew the stem connector nut 9 and lock nut 10 from the plug stem 5 Unscrew the threaded bushing 8 8 12 12 11 19 16 15 15 1 15 2 12 12 18 16 18...

Page 64: ...12 Carefully slide the packing parts over the plug stem into the packing chamber us ing a suitable tool Observe the proper sequence see Fig 9 2 13 Firmly press the plug 5 into the seat 4 Fasten down...

Page 65: ...B 8060 EN 9 13 Servicing 9 10 8 92 3 2 5 4 15 14 17 1 100 7 17 14 7 21 13 93 14 Fig 9 4 Standard version of Type 3254 with Type 3271 Actuator left and Type 3254 in version with insulating section righ...

Page 66: ...in other valve versions contact our after sales service Risk of damage to the facing of the seat and plug due to incorrect servicing Always replace both the seat and plug When replacing the seat and...

Page 67: ...Firmly press the plug 5 into the seat 4 Fasten down the bonnet 2 with the top body nuts 14 Tighten the nuts gradual ly in a crisscross pattern Observe tight ening torques 18 Screw in the threaded bush...

Page 68: ...e actuator onto the valve in the In stallation section 16 Carefully slide the packing parts over the plug stem extension into the packing chamber using a suitable tool Observe the proper sequence see...

Page 69: ...ear protective clothing and safety gloves Risk of personal injury due to pressurized components and process medium being discharged Do not loosen the screw of the test con nection while the valve is p...

Page 70: ...hile working on the valve residual me dium can flow out of the valve and depend ing on its properties cause personal injury e g chemical burns Wear protective clothing safety gloves respiratory protec...

Page 71: ...energy in the actuator e g spring compression See associat ed actuator documentation Risk of personal injury due to residual process medium in the valve While working on the valve residual medium can...

Page 72: ...ipeline a Version with flanges 1 Support the valve to hold it in place when separated from the pipeline see the Shipment and on site transport sec tion 2 Unbolt the flange joint 3 Remove the valve fro...

Page 73: ...port After sales Service 2 Send an e mail u retouren samsongroup com to regis ter the return shipment including the fol lowing information Type Article no Configuration ID Original order Completed Dec...

Page 74: ...12 2 EB 8060 EN...

Page 75: ...EB 8060 EN 13 1 Disposal 13 Disposal Observe local national and internation al refuse regulations Do not dispose of components lubricants and hazardous substances together with your household waste...

Page 76: ...13 2 EB 8060 EN...

Page 77: ...Directive 2006 42 EC for Types 3254 1 and 3254 7 Control Valves on page 14 3 Declaration of incorporation in compli ance with Machinery Directive 2006 42 EC for the Type 3254 Valve with other actuato...

Page 78: ...14 2 EB 8060 EN...

Page 79: ...EB 8060 EN 14 3...

Page 80: ...14 4 EB 8060 EN...

Page 81: ...EB 8060 EN 15 1 Annex 15 Annex 15 1 Tightening torques lubri cants and tools u AB 0100 for tools tightening torques and lubricants...

Page 82: ...h metal bellows 39 Gasket 42 Screw plug with seal 44 Ring ring nut 1 45 Packing ring 1 46 Gasket 1 47 Support 1 48 Hex screw 1 49 Hex screw 1 50 Lock 1 51 Guide 1 several guides only for version with...

Page 83: ...1 92 83 32 84 85 82 3 9 10 8 16 16 12 12 12 19 16 12 12 19 11 12 11 19 15 94 37 39 7 101 33 14 93 39 22 2 21 14 93 81 7 5 26 7 24 27 28 29 5 34 31 14 93 26 81 15 5 102 48 51 47 53 44 52 45 50 46 49 50...

Page 84: ...iaries The addresses of SAMSON AG its subsid iaries representatives and service facilities worldwide can be found on our website www samsongroup com or in all SAMSON product catalogs Required specifi...

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Page 86: ......

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Page 88: ...2021 10 18 English SAMSON AKTIENGESELLSCHAFT Weism llerstra e 3 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 samson samsongroup com www samsongroup com EB 8060 EN...

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